A219967 - cp's OEIS frontend

A219967 Number A(n,k) of tilings of a k X n rectangle using straight (3 X 1) trominoes and 2 X 2 tiles; square array A(n,k), n>=0, k>=0, read by antidiagonals.

n	a(n)
0	1
1	1
2	1
3	1
4	0
5	1
6	1
7	0
8	0
9	1
10	1
11	1
12	1
13	1
14	1
15	1
16	0
17	1
18	1
19	0
20	1
21	1
22	0
23	1
24	2
25	1
26	0
27	1
28	1
29	1
30	2
31	3
32	3
33	2
34	1
35	1
36	1
37	0
38	2
39	4
40	3
41	4
42	2
43	0
44	1
45	1
46	0
47	3
48	8
49	8
50	8
51	8
52	3
53	0
54	1
55	1
56	1
57	4
58	13
59	21
60	28
61	21
62	13
63	4
64	1
65	1
66	1
67	0
68	5
69	19
70	31
71	65
72	65
73	31
74	19
75	5
76	0
77	1
78	1
79	0
80	7
81	35
82	70
83	170
84	267
85	170
86	70
87	35
88	7
89	0
90	1

[1, 1, 1, 1, 0, 1, 1, 0, 0, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 0, 1, 1, 0, 1, 2, 1, 0, 1, 1, 1, 2, 3, 3, 2, 1, 1, 1, 0, 2, 4, 3, 4, 2, 0, 1, 1, 0, 3, 8, 8, 8, 8, 3, 0, 1, 1, 1, 4, 13, 21, 28, 21, 13, 4, 1, 1, 1, 0, 5, 19, 31, 65, 65, 31, 19, 5, 0, 1, 1, 0, 7, 35, 70, 170, 267, 170, 70, 35, 7, 0, 1]

cp's OEIS Frontend

A219967 Number A(n,k) of tilings of a k X n rectangle using straight (3 X 1) trominoes and 2 X 2 tiles; square array A(n,k), n>=0, k>=0, read by antidiagonals.

Table of values

List of values

n	a(n)
0	1
1	1
2	1
3	1
4	0
5	1
6	1
7	0
8	0
9	1
10	1
11	1
12	1
13	1
14	1
15	1
16	0
17	1
18	1
19	0
20	1
21	1
22	0
23	1
24	2
25	1
26	0
27	1
28	1
29	1
30	2
31	3
32	3
33	2
34	1
35	1
36	1
37	0
38	2
39	4
40	3
41	4
42	2
43	0
44	1
45	1
46	0
47	3
48	8
49	8
50	8
51	8
52	3
53	0
54	1
55	1
56	1
57	4
58	13
59	21
60	28
61	21
62	13
63	4
64	1
65	1
66	1
67	0
68	5
69	19
70	31
71	65
72	65
73	31
74	19
75	5
76	0
77	1
78	1
79	0
80	7
81	35
82	70
83	170
84	267
85	170
86	70
87	35
88	7
89	0
90	1

n	a(n)
0	1
1	1
2	1
3	1
4	0
5	1
6	1
7	0
8	0
9	1
10	1
11	1
12	1
13	1
14	1
15	1
16	0
17	1
18	1
19	0
20	1
21	1
22	0
23	1
24	2
25	1
26	0
27	1
28	1
29	1
30	2
31	3
32	3
33	2
34	1
35	1
36	1
37	0
38	2
39	4
40	3
41	4
42	2
43	0
44	1
45	1
46	0
47	3
48	8
49	8
50	8
51	8
52	3
53	0
54	1
55	1
56	1
57	4
58	13
59	21
60	28
61	21
62	13
63	4
64	1
65	1
66	1
67	0
68	5
69	19
70	31
71	65
72	65
73	31
74	19
75	5
76	0
77	1
78	1
79	0
80	7
81	35
82	70
83	170
84	267
85	170
86	70
87	35
88	7
89	0
90	1

n	a(n)
0	1
1	1
2	1
3	1
4	0
5	1
6	1
7	0
8	0
9	1
10	1
11	1
12	1
13	1
14	1
15	1
16	0
17	1
18	1
19	0
20	1
21	1
22	0
23	1
24	2
25	1
26	0
27	1
28	1
29	1
30	2
31	3
32	3
33	2
34	1
35	1
36	1
37	0
38	2
39	4
40	3
41	4
42	2
43	0
44	1
45	1
46	0
47	3
48	8
49	8
50	8
51	8
52	3
53	0
54	1
55	1
56	1
57	4
58	13
59	21
60	28
61	21
62	13
63	4
64	1
65	1
66	1
67	0
68	5
69	19
70	31
71	65
72	65
73	31
74	19
75	5
76	0
77	1
78	1
79	0
80	7
81	35
82	70
83	170
84	267
85	170
86	70
87	35
88	7
89	0
90	1